Friday, 25 September 2015

Tricky Linux Objective type Questions and Answers

42. What is context switch?
A.Process switches from user mode to kernel mode
B.Process switches from kernel mode to user mode
C.Kernel switches from one process to another process
D.None of these
Ans: C

43. Maximum number of processes exist in Linux system ?
A.32768
B.1024
C.2048
D.16384
Ans: A

44. Which of the following command keep a process running even after you logout from your shell?
A.&
B.nohup
C.bg
D.hup
Ans: B

45. What is the range of nice number in linux system ?
A.0 to 19
B.-20 to 19
C.-20 to 0
D.-10 to 10
Ans: B